Global Patent Index - EP 2579257 A2

EP 2579257 A2 20130410 - Optical read/write apparatus

Title (en)

Optical read/write apparatus

Title (de)

Optische Lese-/Schreibvorrichtung

Title (fr)

Appareil optique de lecture/écriture

Publication

EP 2579257 A2 20130410 (EN)

Application

EP 12174071 A 20120628

Priority

JP 2011219014 A 20111003

Abstract (en)

Disclosed is an improved DRAW technique for writing data on an optical storage medium and reading the data in parallel. In obtaining the optical power of a first light source 1 , writing user data is temporarily suspended to write non-user data with a second light source 2 turned OFF.

IPC 8 full level

G11B 7/0045 (2006.01); G11B 7/1263 (2012.01)

CPC (source: EP US)

G11B 7/00458 (2013.01 - EP US); G11B 7/1263 (2013.01 - EP US); G11B 7/003 (2013.01 - EP US)

Citation (applicant)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2579257 A2 20130410; EP 2579257 A3 20170705; JP 2013093086 A 20130516; US 2013083640 A1 20130404; US 8582408 B2 20131112

DOCDB simple family (application)

EP 12174071 A 20120628; JP 2012050138 A 20120307; US 201213534344 A 20120627